604404407 has 4 divisors (see below), whose sum is σ = 608816256. Its totient is φ = 599992560.

The previous prime is 604404403. The next prime is 604404413. The reversal of 604404407 is 704404406.

604404407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 604404407 - 2² = 604404403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 604404407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604404403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205719 + ... + 2205992.

It is an arithmetic number, because the mean of its divisors is an integer number (152204064).

Almost surely, 2^604404407 is an apocalyptic number.

604404407 is a deficient number, since it is larger than the sum of its proper divisors (4411849).

604404407 is a wasteful number, since it uses less digits than its factorization.

604404407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411848.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 604404407 is about 24584.6376218971. The cubic root of 604404407 is about 845.4914252218.

Subtracting 604404407 from its reverse (704404406), we obtain a palindrome (99999999).

The spelling of 604404407 in words is "six hundred four million, four hundred four thousand, four hundred seven".